Description
Specifies the requirements for voice communicator systems using the public switched telephone network which are additional to those specified in IEC 60839-5-1 and IEC 60839-5-2. Covers switched connections providing event driven signalling between an alarm system and a remote centre.
Product Details
- Edition:
- 1.0
- Published:
- 05/03/1991
- Number of Pages:
- 15
- File Size:
- 1 file , 690 KB
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
